package com.example.dayu521.sg_oss.service;

import lombok.Data;

public interface Kl<R,T> {

    @Data
    class Px<P,R,E>{
        P p;
        R r;
        E e;
    }
//    void transfer();
    boolean set_transaction_post_trigger(T f);
    R await_transaction() throws Exception;
}
